Crushing mechanism
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United States of America Patent
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Sep 5, 1995
Grant Date -
N/A
app pub date -
May 24, 1994
filing date -
Sep 5, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
According to the present invention a crushing mechanism having at least two pairs of co-acting rollers, each roller having a hub with a plurality of teeth extending from a circumference thereof, the pairs of rollers being mounted in open cage fashion and characterized in that each tooth is, at least at its outermost position, in the form of a flat plate angled relative to a radius of the hub with an edge lying parallel with a roller axis, the rollers at their closest positions having plates on one in spaces between plates in the other, the plates of the at least two pairs of co-acting rollers comprising a means for crushing without scraping material in the crushing mechanism, the angle of each plate is substantially the same angle which would be present on a face of a gear tooth between co-acting rollers having gear teeth for crushing material.
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